Νυκτελίου νυκτέλιος, nightly Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: proper-name adjective masculine genitive singular proper-name adjective neuter genitive singular of νυκτέλιος νυκτέλιος No checked forms of νυκτέλιος in the morphology database.